1.

Natural hybridization and potential seed set of sympatric Populus nigra and Populus × canadensis along the river IJzer in Flanders (Belgium)

2.

Natural hybridization and potential seed set of sympatric Populus nigra and Populus × canadensis along the river IJzer in Flanders (Belgium)

3.

Natural hybridization and potential seed set of sympatric Populus nigra and Populus × canadensis along the river IJzer in Flanders (Belgium)

4.

Natural hybridization and potential seed set of sympatric Populus nigra and Populus × canadensis along the river IJzer in Flanders (Belgium)

5.

Natural hybridization and potential seed set of sympatric Populus nigra and Populus × canadensis along the river IJzer in Flanders (Belgium)

6.

Natural hybridization and potential seed set of sympatric Populus nigra and Populus × canadensis along the river IJzer in Flanders (Belgium)

7.

Natural hybridization and potential seed set of sympatric Populus nigra and Populus × canadensis along the river IJzer in Flanders (Belgium)

1.

Natural hybridization and potential seed set of sympatric Populus nigra and Populus x canadensis along the river IJzer in Flanders

2.

Natural hybridization and potential seed set of sympatric Populus nigra and Populus x canadensis along the river IJzer in Flanders

3.

Natural hybridization and potential seed set of sympatric Populus nigra and Populus x canadensis along the river IJzer in Flanders